html, body {
    height: 100%;
    margin: 0;
}

body {
    background-color: #9fd6ff;
    font-size: 20px;
    color: #0051ff;
}

#textarea {
      min-height: -moz-calc(100% - (30px + 30px));
    min-height: -webkit-calc(100% - (30px + 30px));
    min-height: calc(100% - (30px + 30px));
    width: 90vw;
    padding-top: 5px;
    padding-left: 60px;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    font-size: 2rem;
    line-height: 1.4;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family:Microsoft YaHei, sans-serif;
    background-color: transparent;
    margin-top:0px;
}

#textarea:focus {
    outline: 0;
}

.container {
    height: 100%;
    width: 100%;
    min-height: 560px;
}

.header-bar {
    background-color: transparent;
    color: #FFF;
    width: 100%;
    min-height: 60px;
    font: 42px bold;
    padding-left: 10px;
}

.side-bar {
    padding: 0;
    margin: 0;
    /*background-color: #9DD3FA;*/
    background-color: #9DD3FA;
    overflow: auto;
	  min-height: -moz-calc(100% - (30px + 30px));
    min-height: -webkit-calc(100% - (30px + 30px));
    min-height: calc(100% - (30px + 30px));
	 position: absolute;
    right: 0px;
	width:10%;
}

.ta {
    /*background-color: #FAFFEB;*/
}

.operation {
    height: 38px;
    background-color: #FFFFFF;
    border: #1F6FB5 1px solid;
    border-left: none;
    border-radius: 1px;
    font: 16px bold;
}

.btn-add {
    border-right: #1F6FB5 2px solid;
    border-left: #1F6FB5 1px solid;
    border-radius: 5px 0 0 5px;
}

ol {
    padding-left: 10px;
    list-style-type: none;
}

li {
    margin-bottom: 2px;
    border-bottom: #1F6FB5 1px solid;
}
li:hover{background-color:#888;color:#fff;cursor:pointer;}